Matetic, Rudy J.
Pillar load transfer associated with multiple-seam mining / by R.J. Matetic, G.J. Chekan, and J.A. Galek. - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1987. - 23 p. : ill. - Report of investigations (United States. Bureau of Mines) ; 9066 .
Pillaring (Mining)
Mine subsidences--West Virginia--Raleigh County.
Coal mines and mining--West Virginia--Raleigh County.
622.334
Pillar load transfer associated with multiple-seam mining / by R.J. Matetic, G.J. Chekan, and J.A. Galek. - Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1987. - 23 p. : ill. - Report of investigations (United States. Bureau of Mines) ; 9066 .
Pillaring (Mining)
Mine subsidences--West Virginia--Raleigh County.
Coal mines and mining--West Virginia--Raleigh County.
622.334